CN209107464U - The pushing device of purse-string suture device under a kind of hysteroscope - Google Patents

Abstract

The utility model relates to a kind of pushing devices of purse-string suture device under hysteroscope, ejector pin mechanism is converted including handle portion power formation mechanism, drive rod partial power transmission mechanism, binding clip partial power, handle portion power formation mechanism includes base enclosure, handle, pushing block, way block, and drive rod partial power transmission mechanism includes the fixed link being set in base enclosure, the interior bar that is sheathed in fixed link；Binding clip partial power conversion ejector pin mechanism includes upper push broach, lower push broach, binding clip maxilla, binding clip lower jaw, and by hinged upper interlocking lever, the rotation connection of lower interlocking lever, the interior bar other end passes through interlocking lever, lower interlocking lever on soft Reed interlocking for upper push broach, lower push broach.Using the utility model, operation risk can be reduced in the operation in Minimally Invasive Surgery and open surgery small space, be conducive to patient's recovery by the way of minimally invasive, pliers head can be automatically integrating nailing, threading operation, pliers head can rotate, to adapt to the operation of different location.

Description

The pushing device of purse-string suture device under a kind of hysteroscope

Technical field

The utility model relates to a kind of a kind of pushing devices of purse-string suture device under surgical instrument more particularly to hysteroscope.

Background technique

With the rapid development of science and technology and medical level, people generally pursue minimally invasive and quick recovery at present, minimally invasive Operation has become the Main way of current surgery development.Use of the string suture stapling device in oesophagus and gastrointestinal procedures can be effective Operating time is saved, unnecessary Accessory injury is avoided, guarantees surgical quality, the superiority and inferiority of performance directly affects procedure, right Surgical effect plays very important effect.

However, at present in the string suture stapling device of clinical use, excessive, operating stick that there is head end volumes is too thick, head end without The disadvantages of method conversion angle, the operation not being suitable in Minimally Invasive Surgery and open surgery small space.Although having opening at present The disposable purse string suture pincers of operation emerge, but up to the present, these products and new design fail ideally to solve with Upper problem.

Utility model content

The technical problem to be solved by the embodiment of the utility model is, providing a kind of ejector pin of purse-string suture device under hysteroscope Device.The ejector pin operation that purse string suture can be carried out in Minimally Invasive Surgery and open surgery small space, realizes the purpose of stitching.

In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of ejector pin of purse-string suture device under hysteroscope Device, including handle portion power formation mechanism, drive rod partial power transmission mechanism, binding clip partial power convert ejector pin machine Structure；

The handle portion power formation mechanism includes base enclosure, handle, pushing block, way block, and the way block fixation is set It is placed in the base enclosure, the handle is rotatably dispose in the base enclosure, and the way block has the guide groove of horizontal direction, described Handle top has sliding slot, and the sliding slot is equipped with slide-bar, and described slide-bar one end is slideably positioned in the guide groove, the promotion Block is fixedly connected with the slide-bar；

The drive rod partial power transmission mechanism includes the fixed link being set in the base enclosure, is sheathed on the fixation Interior bar in bar, one end of the interior bar are connect with the pushing block；

Binding clip partial power conversion ejector pin mechanism includes under upper push broach, lower push broach, hinged binding clip maxilla, binding clip Jaw, by hinged upper interlocking lever, the rotation connection of lower interlocking lever, the interior bar other end passes through soft for the upper push broach, lower push broach Upper interlocking lever, lower interlocking lever described in Reed interlocking, hinged the binding clip maxilla or binding clip lower jaw one end and the fixation Bar is fixedly connected and is sheathed on except the upper push broach, lower push broach, and the binding clip maxilla, binding clip lower jaw outlet inside have and institute State push broach, the inclined-plane that lower push broach end is slidably matched.

Further, the pushing block has catching groove, and one end of the interior bar has trough of belt socket cap, the trough of belt cylinder Head is rotatably dispose in the catching groove.

Further, the upper interlocking lever, lower interlocking lever are articulated on catch bar, the catch bar and the soft spring piece It is fixedly connected.

Further, the binding clip maxilla, binding clip lower jaw inside are respectively arranged with staple cartridge, the upper push broach, lower push broach It is placed between the staple cartridge.

Further, the fixed link and the base enclosure are rotatablely connected.

Further, the fixed rod head end is provided with retaining ring, is provided with rotation seat in the base enclosure, the retaining ring with The rotation seat rotation connection.

Implement the utility model embodiment, has the following beneficial effects: that the utility model can be in Minimally Invasive Surgery and opening The operation performed the operation in small space reduces operation risk, is conducive to patient's recovery by the way of minimally invasive, and pliers head can be certainly Dynamic integrated nailing, threading operation, pliers head can rotate, to adapt to the operation of different location.

Detailed description of the invention

Fig. 1 is the whole schematic cross-sectional view of the utility model；

Fig. 2 is the partial enlargement structural representation for showing the portion A in Fig. 1；

Fig. 3 is the partial enlargement structural representation for showing the portion B in Fig. 1；

Fig. 4 is the partial enlargement structural representation for showing the portion C in Fig. 1；

Fig. 5 is the overall structure diagram of the utility model；

Fig. 6 is the partial enlargement structural representation for showing the portion D in Fig. 5；

Fig. 7 is the partial enlargement structural representation for showing the portion E in Fig. 5；

Fig. 8 is the decomposition texture schematic diagram of binding clip partial power conversion ejector pin mechanism；

Fig. 9 is the structural schematic diagram of staple cartridge.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type is described in further detail.

Referring to Fig.1 and structural schematic diagram shown in fig. 5.

The pushing device of purse-string suture device under a kind of hysteroscope of the utility model embodiment, including handle portion power are formed Mechanism 1, drive rod partial power transmission mechanism 2, binding clip partial power convert ejector pin mechanism 3.

As shown in Fig. 2, Fig. 6, handle portion power formation mechanism 1 includes base enclosure 11, handle 12, pushing block 13, way block 14, way block 14 is fixedly installed in base enclosure 11, and handle 12 is rotatably dispose in base enclosure 11, and base enclosure 11 is stretched out for grasping in end To make, way block 14 has the guide groove 141 of horizontal direction, has sliding slot 121 at the top of handle 12, and sliding slot 121 is equipped with slide-bar 122, The end of slide-bar 122 is slideably positioned in guide groove 121, and pushing block 13 is fixedly installed on the middle part of slide-bar 122.

Preferably, way block 14 is a pair of setting up and down, and pushing block 13 is set between way block 14.

Drive rod partial power transmission mechanism 2 includes the fixed link 21 being rotatably dispose in base enclosure 11, is sheathed on fixed link One end of interior bar 22 in 21, interior bar 22 is connect with pushing block 13.

21 head end of fixed link is provided with retaining ring 211, and rotation seat 111 is provided in base enclosure 11, and retaining ring 211 is rotatably dispose in Dynamic seat 111, so that fixed link 21 can be rotated.

As shown in Fig. 2, Fig. 6, pushing block 13 has catching groove 131, and one end of interior bar 22 has trough of belt socket cap 23, trough of belt circle Column cap 23 is rotatably dispose in catching groove 131

As shown in Fig. 3, Fig. 7, Fig. 8, binding clip partial power convert ejector pin mechanism 3 include upper push broach 31, it is lower push broach 32, hinged Binding clip maxilla 33, binding clip lower jaw 34, upper push broach 31 and upper 35 end of interlocking lever are hinged, lower push broach 32 and lower 36 end of interlocking lever Hingedly, upper interlocking lever 35,36 head end of lower interlocking lever are hinged, the other end of interior bar 22 by soft spring piece 37 link upper interlocking lever 35, The hinged place of lower interlocking lever 36.

Preferably, upper interlocking lever 35, lower interlocking lever 36 hinged place be hinged with pushing block connecting rod 371, pushing block connecting rod 371 is logical It crosses pushing block 372 and connects soft spring piece 37.

In the present embodiment, 33 one end of binding clip maxilla is fixedly connected with 21 end of fixed link, is connected preferably by pin It connects, binding clip maxilla 33, binding clip lower jaw 34 are set to except push broach 31, lower push broach 32.

Binding clip maxilla 33, the outlet of binding clip lower jaw 34 inside are oblique with being slidably matched with upper push broach 31,32 end of lower push broach Face 38.

Binding clip maxilla 33,34 inside of binding clip lower jaw are fixedly installed staple cartridge 39 respectively, and upper push broach 31, lower push broach 32 are set respectively It is placed in the gap between the staple cartridge 39.

When the utility model is used, making its swing by pressing handle 12, pass through the linkage slide-bar of sliding slot 121 thereon 122 slide along guide groove 141, while driving 13 forward slip of pushing block by slide-bar 122, stretch out the relatively fixed bar 21 of interior bar 22, Under the transfers power of soft spring piece 37, upper push broach 31, lower push broach 32 travel forward, by binding clip maxilla 33, binding clip The guiding role on the inclined-plane 37 of the outlet of lower jaw 34 inside, the nail in staple cartridge is released, and completes nailing operation.

In the present invention, binding clip partial power conversion ejector pin mechanism 3 is whole can be rotated, and it leads between interior bar 22 The connection of soft spring piece 37 is crossed, both can be relatively rotated, and not influence power transmitting.

As shown in figure 9, it is the schematic diagram of staple cartridge, the nail interference fit of operation is in the nail slot of staple cartridge, line rotation In in the wire casing of staple cartridge, orthogonal with nail, when nail is pushed knife 31, lower push broach 32 is released, line is embedded in tissue by nail together.

The utility model is the problem of combining clinical discovery, and the product developed mainly is suitble to Minimally Invasive Surgery and opening The purse string suture operation performed the operation in small space, the device is easy to use, integrates nailing and threading integration operation, can be significantly Operation risk is reduced, the resume speed of patient is improved.

Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered Range.

Claims (6)

1. the pushing device of purse-string suture device under a kind of hysteroscope, which is characterized in that including handle portion power formation mechanism, transmission Bar part power transfer mechanism, binding clip partial power convert ejector pin mechanism；

The handle portion power formation mechanism includes base enclosure, handle, pushing block, way block, and the way block is fixedly installed on In the base enclosure, the handle is rotatably dispose in the base enclosure, and the way block has the guide groove of horizontal direction, the handle Top has sliding slot, and the sliding slot is equipped with slide-bar, and described slide-bar one end is slideably positioned in the guide groove, the pushing block with The slide-bar is fixedly connected；

The drive rod partial power transmission mechanism includes the fixed link being set in the base enclosure, is sheathed in the fixed link Interior bar, one end of the interior bar is connect with the pushing block；

Binding clip partial power conversion ejector pin mechanism includes upper push broach, lower push broach, hinged binding clip maxilla, binding clip lower jaw, institute Push broach, lower push broach are stated by hinged upper interlocking lever, the rotation connection of lower interlocking lever, the interior bar other end is joined by soft spring piece The upper interlocking lever, lower interlocking lever are moved, hinged the binding clip maxilla or binding clip lower jaw one end are fixed with the fixed link It connects and is sheathed on except the upper push broach, lower push broach, the binding clip maxilla, binding clip lower jaw outlet inside have above to push away with described The inclined-plane that knife, lower push broach end are slidably matched.

2. the pushing device of purse-string suture device under hysteroscope according to claim 1, which is characterized in that the pushing block has One end of catching groove, the interior bar has trough of belt socket cap, and the trough of belt socket cap is rotatably dispose in the catching groove.

3. the pushing device of purse-string suture device under hysteroscope according to claim 1, which is characterized in that the upper interlocking lever, Lower interlocking lever is articulated on catch bar, and the catch bar is fixedly connected with the soft spring piece.

4. the pushing device of purse-string suture device under hysteroscope according to claim 1, which is characterized in that the binding clip maxilla, It is respectively arranged with staple cartridge on the inside of binding clip lower jaw, the upper push broach, lower push broach are placed between the staple cartridge.

5. the pushing device of purse-string suture device under hysteroscope according to claim 1-4, which is characterized in that described Fixed link and the base enclosure are rotatablely connected.

6. the pushing device of purse-string suture device under hysteroscope according to claim 5, which is characterized in that the fixed rod head end It is provided with retaining ring, rotation seat is provided in the base enclosure, the retaining ring and the rotation seat are rotatablely connected.